Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (32 commits)
  ide-atapi: start dma in a drive-specific way
  ide-atapi: put the rest of non-ide-cd code into the else-clause of ide_transfer_pc
  ide-atapi: remove timeout arg to ide_issue_pc
  ide-cd: remove handler wrappers
  ide-cd: remove xferlen arg to cdrom_start_packet_command
  ide-atapi: split drive-specific functionality in ide_issue_pc
  ide-atapi: assign expiry and timeout based on device type
  ide-atapi: compute cmd_len based on device type in ide_transfer_pc
  ide: remove the last ide-scsi remnants
  ide-atapi: remove ide-scsi remnants from ide_pc_intr()
  ide-atapi: remove ide-scsi remnants from ide_transfer_pc()
  ide-atapi: remove ide-scsi remnants from ide_issue_pc
  ide-cd: move cdrom_timer_expiry to ide-atapi.c
  ide-atapi: teach ide atapi about drive->waiting_for_dma
  ide-atapi: accomodate transfer length calculation for ide-cd
  ide-atapi: setup dma for ide-cd
  ide-atapi: combine drive-specific assignments
  ide-atapi: add a dev_is_idecd-inline
  remove ide-scsi
  ide-floppy: allocate only toplevel packet commands
  ...

1 files changed, 125 insertions, 0 deletions

diff --git a/drivers/ide/ide-sysfs.c b/drivers/ide/ide-sysfs.c
new file mode 100644
index 000000000000..883ffacaf45a
--- /dev/null
+++ b/drivers/ide/ide-sysfs.c
@@ -0,0 +1,125 @@
+#include <linux/kernel.h>
+#include <linux/ide.h>
+
+char *ide_media_string(ide_drive_t *drive)
+{
+	switch (drive->media) {
+	case ide_disk:
+		return "disk";
+	case ide_cdrom:
+		return "cdrom";
+	case ide_tape:
+		return "tape";
+	case ide_floppy:
+		return "floppy";
+	case ide_optical:
+		return "optical";
+	default:
+		return "UNKNOWN";
+	}
+}
+
+static ssize_t media_show(struct device *dev, struct device_attribute *attr,
+			  char *buf)
+{
+	ide_drive_t *drive = to_ide_device(dev);
+	return sprintf(buf, "%s\n", ide_media_string(drive));
+}
+
+static ssize_t drivename_show(struct device *dev, struct device_attribute *attr,
+			      char *buf)
+{
+	ide_drive_t *drive = to_ide_device(dev);
+	return sprintf(buf, "%s\n", drive->name);
+}
+
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	ide_drive_t *drive = to_ide_device(dev);
+	return sprintf(buf, "ide:m-%s\n", ide_media_string(drive));
+}
+
+static ssize_t model_show(struct device *dev, struct device_attribute *attr,
+			  char *buf)
+{
+	ide_drive_t *drive = to_ide_device(dev);
+	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_PROD]);
+}
+
+static ssize_t firmware_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	ide_drive_t *drive = to_ide_device(dev);
+	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_FW_REV]);
+}
+
+static ssize_t serial_show(struct device *dev, struct device_attribute *attr,
+			   char *buf)
+{
+	ide_drive_t *drive = to_ide_device(dev);
+	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_SERNO]);
+}
+
+struct device_attribute ide_dev_attrs[] = {
+	__ATTR_RO(media),
+	__ATTR_RO(drivename),
+	__ATTR_RO(modalias),
+	__ATTR_RO(model),
+	__ATTR_RO(firmware),
+	__ATTR(serial, 0400, serial_show, NULL),
+	__ATTR(unload_heads, 0644, ide_park_show, ide_park_store),
+	__ATTR_NULL
+};
+
+static ssize_t store_delete_devices(struct device *portdev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t n)
+{
+	ide_hwif_t *hwif = dev_get_drvdata(portdev);
+
+	if (strncmp(buf, "1", n))
+		return -EINVAL;
+
+	ide_port_unregister_devices(hwif);
+
+	return n;
+};
+
+static DEVICE_ATTR(delete_devices, S_IWUSR, NULL, store_delete_devices);
+
+static ssize_t store_scan(struct device *portdev,
+			  struct device_attribute *attr,
+			  const char *buf, size_t n)
+{
+	ide_hwif_t *hwif = dev_get_drvdata(portdev);
+
+	if (strncmp(buf, "1", n))
+		return -EINVAL;
+
+	ide_port_unregister_devices(hwif);
+	ide_port_scan(hwif);
+
+	return n;
+};
+
+static DEVICE_ATTR(scan, S_IWUSR, NULL, store_scan);
+
+static struct device_attribute *ide_port_attrs[] = {
+	&dev_attr_delete_devices,
+	&dev_attr_scan,
+	NULL
+};
+
+int ide_sysfs_register_port(ide_hwif_t *hwif)
+{
+	int i, uninitialized_var(rc);
+
+	for (i = 0; ide_port_attrs[i]; i++) {
+		rc = device_create_file(hwif->portdev, ide_port_attrs[i]);
+		if (rc)
+			break;
+	}
+
+	return rc;
+}